CVE-2026-6807 MEDIUM

CVE-2026-6807: NSA GRASSMARLIN Improper Restriction of XML External Entity Reference

Vendor Nsa
Product GRASSMARLIN
Weakness CWE-611 · XXE
Published April 28, 2026
Last update April 29, 2026

CVSS base score

5.5/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity None

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

What the vulnerability does

01Description

A vulnerability in GRASSMARLIN v3.2.1 allows crafted session data to trigger improper handling of XML input, which may result in unintended exposure of sensitive information. The flaw stems from insufficient hardening of the XML parsing process.

Key dates

02Disclosure timeline

April 28, 2026 CVE published
April 29, 2026 Record updated